package gaoji;

//测试：生产消费者模型--》信号灯法
public class test2 {
	public static void main(String[] args) {
		TV tv = new TV();
		new Player(tv).start();
		new Watcher(tv).start();
	}
}

class Player extends Thread {
	TV tv;

	public Player(TV tv) {
		this.tv = tv;
	}

	@Override
	public void run() {
		for (int i = 0; i < 20; i++) {
			if (i % 2 == 0) {
				this.tv.play("播放中");
			} else {
				this.tv.play("广告中");
			}
		}
	}
}

class Watcher extends Thread {
	TV tv;

	public Watcher(TV tv) {
		this.tv = tv;
	}

	@Override
	public void run() {
		for (int i = 0; i < 20; i++) {
			tv.watch();
		}

	}
}

class TV {
	String voice;
	boolean flag = true;

	public synchronized void play(String voice) {
		if (!flag) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		System.out.println("表演了:" + voice);

		this.notifyAll();
		this.voice = voice;
		this.flag = !this.flag;
	}

	public synchronized void watch() {

		if (flag) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		System.out.println("观看了:" + voice);
		this.notifyAll();
		this.flag = !this.flag;
	}
}
